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Tighten-up code in set_next() to use an entry pointer rather than indexing.

This commit is contained in:
Raymond Hettinger 2015-07-06 08:43:37 -07:00
parent df48b8571e
commit ef6bd7d963
1 changed files with 7 additions and 5 deletions
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12
Objects/setobject.c
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@ -518,20 +518,22 @@ set_next(PySetObject *so, Py_ssize_t *pos_ptr, setentry **entry_ptr)
{
Py_ssize_t i;
Py_ssize_t mask;
setentry *table;
setentry *entry;
assert (PyAnySet_Check(so));
i = *pos_ptr;
assert(i >= 0);
table = so->table;
mask = so->mask;
while (i <= mask && (table[i].key == NULL || table[i].key == dummy))
entry = &so->table[i];
while (i <= mask && (entry->key == NULL || entry->key == dummy)) {
i++;
entry++;
}
*pos_ptr = i+1;
if (i > mask)
return 0;
assert(table[i].key != NULL);
*entry_ptr = &table[i];
assert(entry != NULL);
*entry_ptr = entry;
return 1;
}